It is suitable for both classroom use and self-study. Portable 3D mannequin: you can take the model apart like a puzzle. Manufacturered by superply. This is a teaching model that shows 15 detachable pieces of the body: the trunk the brain (2 pieces) the heart the esophagus and the aorta the lung (4) the skull cover the stomach the diaphragm the liver the pancreas and spleen and the intestines. Suitable for anyone who interested in anatomy nursing physiology. Understanding the organs of the human body. Made of high-quality PVC environment-friendly and safe .